20423441112 has 16 divisors (see below), whose sum is σ = 51058602840. Its totient is φ = 6807813696.

The previous prime is 20423440997. The next prime is 20423441117. The reversal of 20423441112 is 21114432402.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 850976713 = 20423441112 / (2 + 0 + 4 + 2 + 3 + 4 + 4 + 1 + 1 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423441117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425488333 + ... + 425488380.

Almost surely, 2^20423441112 is an apocalyptic number.

It is an amenable number.

20423441112 is an abundant number, since it is smaller than the sum of its proper divisors (30635161728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20423441112 is a wasteful number, since it uses less digits than its factorization.

20423441112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850976722 (or 850976718 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20423441112 its reverse (21114432402), we get a palindrome (41537873514).

The spelling of 20423441112 in words is "twenty billion, four hundred twenty-three million, four hundred forty-one thousand, one hundred twelve".